Versatile gear motor for roller blinds and non-roller blinds

Abstract

Disclosed is a motor assembly for a motor unit for driving a shaft for rolling a blind, the assembly including a rotary motor and an output shaft connected to the rotary motor in order to transmit the torque supplied by the rotary motor to the rolling shaft, the output shaft including a first socket for receiving a drive member of the rolling shaft of a roller blind. The output shaft also includes a second socket, separate from the first socket, for securing a non-roller blind to the rolling shaft.

The invention claimed is: 
     
       1. A motor assembly for a motor unit for rolling a blind, the assembly comprising:
 a rotary electric motor; and 
 an output shaft connected to said rotary electric motor for transmitting a torque supplied by the rotary electric motor, 
 the output shaft comprising a first connector for securing to a rolling shaft of a roller blind, the first connector being configured to engage with a driving wheel of the rolling shaft of the roller blind, 
 wherein the output shaft further includes a second connector, separate from the first connector, configured to engage with a rolling shaft of a non-roller blind. 
 
     
     
       2. The motor assembly according to  claim 1 , wherein the second connector is arranged at an end of the output shaft, opposite to the rotary electric motor. 
     
     
       3. The motor assembly according to  claim 1 , wherein the second connector comprises a cavity for receiving an end of the rolling shaft of the non-roller blind. 
     
     
       4. The motor assembly according to  claim 3 , wherein an axis of the cavity is superimposed on a rotation axis of the output shaft. 
     
     
       5. The motor assembly according to  claim 3 , wherein the cavity is a first segment of a hole, the hole comprising, from an outside of the cavity toward an inside of the cavity, said first segment followed by a second segment, the second segment being narrower than the first segment. 
     
     
       6. The motor assembly according to  claim 5 , wherein the second segment is frustoconical. 
     
     
       7. The motor assembly of  claim 3 , wherein the cavity has a polygonal section. 
     
     
       8. The motor assembly of  claim 7 , wherein the cavity has a rectangular section. 
     
     
       9. The motor assembly according to  claim 1 , wherein the first connector comprises plural axial edges on which the driving wheel can be supported and immobilized in an axial direction. 
     
     
       10. The motor assembly according to  claim 1 , further comprising:
 a transmission, configured to react and adapt the torque supplied by the rotary electric motor, said transmission being connected at a first end to said rotary electric motor and at an opposite second end to said output shaft. 
 
     
     
       11. The motor assembly according to  claim 10 , further comprising:
 a mechanical connector that couples the rotary electric motor to the transmission a manner that ensures a take-up torque between the rotary electric motor and the transmission. 
 
     
     
       12. The motor assembly according to  claim 11 , wherein the mechanical connector includes at least one indentation that receives a positioning element for a casing that accommodates the motor assembly. 
     
     
       13. The motor assembly according to  claim 11 , wherein the mechanical connector includes a first ring on a motor side of the mechanical connector and a second ring on a transmission side of the mechanical connector that are axially offset relative to one another. 
     
     
       14. The motor assembly according to  claim 13 ,
 wherein the mechanical connector includes at least one indentation that receives a positioning element for a casing that accommodates the motor assembly, and 
 wherein the first and second rings delimit the at least one indentation between them. 
 
     
     
       15. The motor assembly according to  claim 13 , wherein the second ring is provided with at least one stud for fastening the mechanical connector to the transmission. 
     
     
       16. The motor assembly according to  claim 9 , wherein the first connector comprises four axial edges. 
     
     
       17. The motor assembly according to  claim 13 , wherein the first ring and the second ring are connected to one another by two bridges. 
     
     
       18. The motor assembly according to  claim 17 ,
 wherein the mechanical connector includes at least one indentation able to receive a positioning element for a casing that accommodates the motor assembly, and 
 wherein the two rings delimit the at least one indentation therebetween. 
 
     
     
       19. The motor assembly according to  claim 10 , wherein the transmission is a reduction gear. 
     
     
       20. The motor assembly according to  claim 1 , wherein the first connector comprises plural axial edges configured to support and immobilize the driving wheel in an axial direction by snapping. 
     
     
       21. A motor unit comprising a casing including the motor assembly in accordance with  claim 1  and a control unit for the motor assembly. 
     
     
       22. The motor unit according to  claim 21 , wherein the motor unit is a tubular actuator for the roller blind or an actuator for the non-roller blind.